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Finding the Third Proportional to 30,346 and 45,284

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Solution

The third proportional to 30,346 and 45,284 is: 67,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346 : 45,284 = 45,284 : x
  2. Step 2: Convert to fraction form
    30,346/45,284 = 45,284/x
  3. Step 3: Cross multiply
    30,346x = 45,284 × 45,284
  4. Step 4: Simplify right side
    30,346x = 2,050,640,656
  5. Step 5: Solve for x
    x = 2,050,640,656/30,346
  6. Step 6: Final answer
    x = 67,575.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.